T-T Neutron Spectrum from Inertial Confinement Implosions

T-T Neutron Spectrum from Inertial Confinement Implosions

A new technique that uses inertial confinement implosions for measuring low-energy nuclear reactions important to nuclear astrophysics is described. Simultaneous measurements of n-D and n-T elastic scattering at 14.1 MeV using deuterium-tritium gas-filled capsules provide a proof of principle for th...

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Main Authors: Quaglioni, S. (Author), Bacher, A. D. (Author), Petrasso, R. D. (Author), Glebov, V. Yu (Author), Radha, P. B. (Author), Meyerhofer, D. D. (Author), Sangster, T. C. (Author), McNabb, D. P. (Author), Amendt, P. A. (Author), Boyd, R. N. (Author), Caggiano, J. A. (Author), Hatchett, S. P. (Author), Pino, J. E. (Author), Rygg, J. R. (Author), Thompson, I. J. (Author), Herrmann, H. W. (Author), Kim, Y. H. (Author), Casey, Daniel Thomas (Contributor), Frenje, Johan A (Contributor), Gatu Johnson, Maria (Contributor), Manuel, Mario J.-E (Contributor), Sinenian, Nareg (Contributor), Zylstra, Alex Bennett (Contributor), Seguin, Fredrick Hampton (Contributor), Li, Chikang (Contributor)
Other Authors: Massachusetts Institute of Technology. Plasma Science and Fusion Center (Contributor)
Format: Article
Language:English
Published: Springer Vienna, 2016-10-06T21:28:45Z.
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Summary:A new technique that uses inertial confinement implosions for measuring low-energy nuclear reactions important to nuclear astrophysics is described. Simultaneous measurements of n-D and n-T elastic scattering at 14.1 MeV using deuterium-tritium gas-filled capsules provide a proof of principle for this technique. Measurements have been made of D(d,p)T (dd) and T(t,2n)[superscript 4]He (tt) reaction yields relative to the D(t,n)[superscript]He (dt) reaction yield for deuterium-tritium mixtures with fT/fD between 0.62 and 0.75 and for a wide range of ion temperatures to test our understanding of the implosion processes. Measurements of the shape of the neutron spectrum from the T(t,2n)[superscript 4]He reaction have been made for each of these target configurations.
National Laser User's Facility (Grant NA0000877)
United States. Dept. of Energy (Grant DE-FG52-09NA29553)
University of Rochester. Fusion Science Center (Rochester Subaward 415023-G, UR Account 5-24431)
University of Rochester. Laboratory for Laser Energetics (Grant 412160-001G)
Lawrence Livermore National Laboratory (Grants B580243 and DE-AC52-07NA27344)

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